Lance Cpl. Bryant Tune, 23, a heavyweight boxer for the Marine Corps Boxing Team, talks to kids at Proviso West High School during Marine Week Chicago. Tune, from Nathalie, Va., and two other members of the Marine Corps Boxing Team led students through various boxing exercises. The event was on of many for the boxing team during Marine Week Chicago. - Lance Cpl. Bryant Tune, 23, a heavyweight boxer for the Marine Corps Boxing Team, talks to kids at Proviso West High School during Marine Week Chicago. Tune, from Nathalie, Va., and two other members of the Marine Corps Boxing Team led students through various boxing exercises. The event was on of many for the boxing team during Marine Week Chicago.